案例描述:声明一个五个元素的数组,将元素逆置
#include <iostream>
using namespace std;
int main() {
//声明数组
int arr[5] = {
121,236,564,856,124 };
//末元素下标
int end = sizeof(arr) / sizeof(arr[0]) - 1;
//临时保存元素
int key = 0;
for (int i = 0; i < end; i++) {
key = arr[i];
arr[i] = arr[end];
arr[end] = key;
end--;
}
int end1 = sizeof(arr) / sizeof(arr[0]) - 1;
for (int j = 0; j <= end1; j++) {
cout << arr[j] << endl;
}
}